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TIL That most female cheetahs go their entire lives without raising a single cub to maturity. The species is dependent on "supermoms" that are particularly adept at raising cubs. One such supermom, Eleanor, has mothered at least 10% of all adult cheetahs in the southern Serengeti.

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b9Paa TIL in 2020 the average American auto loan term went above 70 months for the first time.
pMZO TIL the first known illegal act on the internet was committed in 1973 by one of the first ARPANET engineers. He sent a request for return of his electric razor following a conference in England. At that time, personal use of the internet was unlawful.
QdZM TIL that in China in 757 during the siege of Suiyang, while they were short of food, the general Zhang Xun ordered his soldiers to kill the civilians in order to feed themselves. At the end of the siege ten months later, 20,000 to 30,000 people were eaten and only 400 were left.
a8ONy TIL in 1987 a borehole was drilled in Mali which released 98% pure hydrogen, and a nearby village became the first in the world to be powered by naturally occuring hydrogen. It is estimated there is enough hydrogen in underground reservoirs to supply humanity's energy demands for hundreds of years
lold7 TIL The exercise called a “deadlift” refers to solldiers in ancient Rome lifting their fallen comrades into wagons.